CN114427412A - Natural gas hydrate exploitation device and exploitation system - Google Patents
Natural gas hydrate exploitation device and exploitation system Download PDFInfo
- Publication number
- CN114427412A CN114427412A CN202011049264.8A CN202011049264A CN114427412A CN 114427412 A CN114427412 A CN 114427412A CN 202011049264 A CN202011049264 A CN 202011049264A CN 114427412 A CN114427412 A CN 114427412A
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- Prior art keywords
- gas hydrate
- natural gas
- sand control
- control pipe
- pipe
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- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 239000004576 sand Substances 0.000 claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 claims abstract description 38
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000005065 mining Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 16
- 239000007787 solid Substances 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 35
- 238000010438 heat treatment Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- -1 natural gas hydrates Chemical class 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011549 displacement method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 150000004677 hydrates Chemical group 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/2401—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of electricity
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/128—Adaptation of pump systems with down-hole electric drives
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/295—Gasification of minerals, e.g. for producing mixtures of combustible gases
Abstract
The invention relates to the technical field of natural gas hydrate development, in particular to a natural gas hydrate exploitation device and a natural gas hydrate exploitation system. The embodiment of the application provides a natural gas hydrate exploitation device, locate including the oil pipe that is used for gathering natural gas hydrate and ring the sleeve pipe in the oil pipe outside. The bottom of the oil pipe is provided with a sand control pipe part for natural gas hydrate to enter; the sleeve is provided with a collecting inlet end corresponding to the sand prevention pipe part; wherein, the sand control pipe portion includes first sand control pipe and the cover is located the second sand control pipe in the first sand control pipe outside. In the use, natural gas hydrate passes through the entry end and then filters twice through first sand control pipe and second sand control pipe respectively, realizes effectively filtering the solid sand grain that carries in the natural gas hydrate, and then avoids the sand production problem of natural gas hydrate in the formation process in the source.
Description
Technical Field
The invention relates to the technical field of natural gas hydrate development, in particular to a natural gas hydrate exploitation device and a natural gas hydrate exploitation system.
Background
Natural gas hydrate, also known as "combustible ice", is a combustible solid compound formed from water and natural gas (predominantly methane) molecules under high pressure, low temperature conditions. The natural gas hydrate is an ideal alternative energy source, and has the characteristics of abundant reserves, convenient use, cleanness, no pollution and the like. At present, natural gas hydrate trial production tests are carried out successively in countries such as the United states, Japan, China and the like, and a series of results are obtained. The reservoir of the natural gas hydrate pilot production well is generally a pore sandstone reservoir, and the pilot production method comprises a heat shock method, a depressurization method and a CO (carbon monoxide) method2Displacement methods, solid mining methods, and the like. The problems of easy sand production, secondary generation of hydrate and the like in the pilot production processCausing the tubing string to become plugged, resulting in a reduced or shut-down production capacity of the pilot production well. The research on an exploitation process pipe column suitable for a natural gas hydrate reservoir is one of the problems to be solved urgently at present.
Many studies have been conducted on downhole process strings for gas hydrate production. The exploitation problem mainly focuses on the problems of sand production, secondary generation of hydrate and the like in the natural gas hydrate development process. In the pit shaft tubular column structure, the ubiquitous danger that hydrate secondary generation is brought because the temperature drops in the pit shaft can't be solved, can't solve the problem that the liquid channel can't lift the well head because the energy is not enough, has the restricted problem of charge pump installation space. The problems have very important influence on the pilot production effect of the natural gas hydrate. Therefore, the research on the underground natural gas hydrate exploitation process pipe column is of great significance.
Disclosure of Invention
In view of the above, an object of the embodiments of the present application is to provide a gas hydrate exploitation device, which can effectively solve the above technical problems.
In a first aspect, the natural gas hydrate exploitation device provided in the embodiments of the present application includes an oil pipe for acquiring natural gas hydrate, and a casing annularly disposed outside the oil pipe. The bottom of the oil pipe is provided with a sand control pipe part for natural gas hydrate to enter; the sleeve is provided with a collecting inlet end corresponding to the sand prevention pipe part; wherein, the sand control pipe portion includes first sand control pipe and the cover is located the second sand control pipe in the first sand control pipe outside.
In an alternative embodiment according to the first aspect, the first sand control pipe is a metal sand control pipe.
In an alternative embodiment according to the first aspect, the second sand control pipe is made of a memory polymer, and when the oil pipe is placed at a predetermined position in the casing, the second sand control pipe is expanded to be attached to the inner side wall of the casing.
In an alternative embodiment according to the first aspect, a bottom end of the tubing proximate the sand control tubular portion is removably attached with a plug.
In an alternative embodiment according to the first aspect, the natural gas hydrate production apparatus further comprises an electromagnetic heater connected to the tubing.
In an optional embodiment according to the first aspect, the natural gas hydrate production apparatus further comprises a temperature pressure tester connected to the tubing.
In an optional embodiment according to the first aspect, the natural gas hydrate production apparatus further comprises a cable-passing packer, which is sleeved outside the oil pipe and is sealingly connected to the inner side wall of the casing.
In an optional embodiment according to the first aspect, the natural gas hydrate production apparatus further comprises a gas separator, the gas separator is connected to the tubing, and the gas separator is arranged on a side of the cable packer away from the collection inlet end.
In an alternative embodiment according to the first aspect, the natural gas hydrate production apparatus further comprises an electrical submersible pump connected to a side of the gas separator remote from the cable packer.
In a second aspect, the embodiment of the present application further provides a natural gas hydrate exploitation system, where the natural gas hydrate exploitation system includes the above natural gas hydrate exploitation device.
The application provides a natural gas hydrate exploits device compares with prior art, possesses following beneficial effect at least:
the embodiment of the application provides a natural gas hydrate exploitation device, locate including the oil pipe that is used for gathering natural gas hydrate and ring the sleeve pipe in the oil pipe outside. The bottom of the oil pipe is provided with a sand control pipe part for natural gas hydrate to enter; the sleeve is provided with a collecting inlet end corresponding to the sand prevention pipe part; wherein, the sand control pipe portion includes first sand control pipe and the cover is located the second sand control pipe in the first sand control pipe outside. In the use, natural gas hydrate filters twice through first sand control pipe and second sand control pipe respectively after gathering the entry end, realizes effectively filtering the solid sand grain that carries in the natural gas hydrate, and then avoids the sand production problem of natural gas hydrate in the formation process in the source.
The natural gas hydrate exploitation system provided by the application also has the beneficial effects due to the fact that the natural gas hydrate exploitation system comprises the natural gas hydrate exploitation device.
Drawings
The present application will be described in more detail below on the basis of embodiments and with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall configuration of a natural gas hydrate production apparatus according to an embodiment of the present application.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Reference numerals:
10-a natural gas hydrate production unit; 11-an oil pipe; 111-sand control pipe section; 111 a-a first sand control pipe; 111 b-a second sand control pipe; 12-plug; 13-a sleeve; 131-a collection inlet end; 14-an electromagnetic heater; 141-a heater cable; 15-temperature pressure tester; 151-monitoring optical fiber; 16-cable packers; 17-a gas separator; 18-an electrical submersible pump; 181-electric pump cable.
Detailed Description
The present application is further described below in conjunction with the detailed description. It should be understood that these specific embodiments are merely illustrative of the present application and are not intended to limit the scope of the present application.
For the sake of brevity, only some numerical ranges are specifically disclosed herein. However, any lower limit may be combined with any upper limit to form ranges not explicitly recited; and any lower limit may be combined with any other lower limit to form a range not explicitly recited, and similarly any upper limit may be combined with any other upper limit to form a range not explicitly recited. Furthermore, each separately disclosed point or individual value may itself, as a lower or upper limit, be combined with any other point or individual value or with other lower or upper limits to form ranges not explicitly recited.
In the description herein, it is to be noted that, unless otherwise specified, "above" and "below" are inclusive and "one or more" mean "several" two or more.
Unless otherwise indicated, terms used in the present application have well-known meanings that are commonly understood by those skilled in the art. Unless otherwise indicated, the numerical values of the parameters mentioned in the present application can be measured by various measurement methods commonly used in the art (for example, the test can be performed according to the methods given in the examples of the present application).
Referring to fig. 1, fig. 1 is a schematic diagram of an overall structure of a natural gas hydrate production apparatus 10 according to an embodiment of the present disclosure. The natural gas hydrate exploitation device 10 comprises an oil pipe 11 for acquiring natural gas hydrates and a sleeve 13 annularly arranged on the outer side of the oil pipe 11. The bottom of the oil pipe 11 is provided with a sand control pipe part 111 for natural gas hydrate to enter; the casing 13 is provided with a collection inlet end 131 corresponding to the sand control pipe part 111; the sand control pipe 111 includes a first sand control pipe 111a and a second sand control pipe 111b sleeved outside the first sand control pipe 111 a.
The natural gas hydrate exploitation device 10 provided by the embodiment of the application comprises an oil pipe 11 for acquiring natural gas hydrates and a sleeve 13 annularly arranged on the outer side of the oil pipe 11. The bottom of the oil pipe 11 is provided with a sand control pipe part 111 for natural gas hydrate to enter; the casing 13 is provided with a collection inlet end 131 corresponding to the sand control pipe part 111; the sand control pipe 111 includes a first sand control pipe 111a and a second sand control pipe 111b sleeved outside the first sand control pipe 111 a. In the use process, after passing through the collection inlet end 131, the natural gas hydrate respectively passes through the first sand control pipe 111a and the second sand control pipe 111b for twice filtration, so that solid sand carried in the natural gas hydrate is effectively filtered, and further the problem of sand production of the natural gas hydrate in the generation process is avoided from the source.
In an optional exemplary embodiment, the oil feeding direction of the collecting inlet end 131 is perpendicular to the axis of the oil pipe 11, so that the filtering is better realized in the natural gas hydrate collecting process.
In an alternative exemplary embodiment, the first sand control pipe 111a is a metal sand control pipe. It should be noted that the first sand control pipe 111a is provided as a sand control pipe, so that natural gas hydrate entering from the collection inlet end 131 can be filtered. Further, the first sand control pipe 111a is made of a stainless steel material. Stainless steel materials are short for stainless acid-resistant steels, and steel types which are resistant to weak corrosive media such as air, steam and water or have stainless properties are called stainless steels. The stainless steel material has corrosion resistance and higher hardness. Therefore, the first sand control pipe 111a is made of stainless steel material, which can effectively improve the service life thereof. It is understood that the specific material of the first sand control pipe 111a is not limited herein, and in other specific embodiments, the first sand control pipe 111a may be made of other materials with stronger corrosion resistance according to the requirement of the user.
In an alternative exemplary embodiment, the second sand control pipe 111b is made of memory polymer, and when the oil pipe 11 is placed at a predetermined position in the casing 13, the second sand control pipe 111b is expanded to be attached to the inner side wall of the casing 13. It should be noted that the second sand control pipe 111b is made of a memory polymer, and the memory polymer has stable mechanical properties and chemical properties, and also has strong fluid loss and corrosion resistance. In the using process, the second sand control pipe 111b shrinks after being heated, and can be better attached to the outer wall of the oil pipe 11, so that the second sand control pipe can be smoothly placed in the downhole casing 13, after the second sand control pipe 111b is placed at a preset position, namely, the position corresponding to the collection inlet end 131, the second sand control pipe 111b recovers the original shape under the action of the bottom temperature, the cleaning solution and the displacement solution active substance, fills the annular space between the oil pipe 11 and the casing 13, and applies the residual stress to the inner wall of the casing 13. Make second sand control pipe 111b support and press in sleeve pipe 13 inner wall, and then can avoid sand effectively stifled, avoid the sand control risk of becoming invalid to the sand control effect has been guaranteed.
It should be noted that the gas hydrate production apparatus 10 provided in the application includes the casing 13, so that the second sand control pipe 111b abuts against the inner wall of the casing 13 when expanding, and when the casing 13 is not provided, the second sand control pipe 111b can be attached to the open hole wall of the borehole at the reservoir position when expanding.
In an alternative exemplary embodiment, a plug 12 is removably attached to the bottom end of the tubing 11 near the sand control tubular section 111. It should be noted that the bottom end of the oil pipe 11 near the sand control pipe 111 is detachably connected with a plug 12, the plug 12 is arranged to effectively allow the natural gas hydrate in the oil pipe 11 to flow into an annular space between the oil pipe 11 and the casing 13, and the plug 12 is arranged at the same time, so that after the collection of the natural gas hydrate is completed, when the oil pipe 11 is taken out, the plug 12 can be detached to clean trace dust and sand deposited in the oil pipe 11.
In an alternative exemplary embodiment, the natural gas hydrate production apparatus 10 further comprises an electromagnetic heater 14, the electromagnetic heater 14 being connected to the tubing 11. It should be noted that the electromagnetic heater 14 can be arranged to heat the hydrate fluid and the formation in real time, so as to effectively prevent the production of secondary hydrate. Meanwhile, electromagnetic heating is an energy conversion process for converting electric energy into heat energy by utilizing an electromagnetic induction principle, a rectification circuit converts 50/60Hz alternating current voltage into direct current voltage, the direct current voltage is converted into high-frequency voltage with the frequency of 20-40 kHz through a power control circuit, when the alternating current with high speed change passes through a coil, the coil can generate a magnetic field with high speed change, when alternating magnetic lines of force in the magnetic field pass through a metal pipeline (magnetic conducting and electric conducting materials), countless small eddy currents are generated in a pipe wall body, so that the pipe wall of an oil conveying pipe 11 automatically generates heat to exchange heat with crude oil, and the heating purpose is achieved. The electromagnetic heater 14 can heat the oil pipe 11 by contact heating, and the electromagnetic heater 14 has a larger heating temperature range, so that the electromagnetic heater is suitable for heating the oil pipe 11 and effectively prevents the generation of secondary hydrates.
Specifically, in the present embodiment, the electromagnetic heater 14 and the ground software system form a heating system through the heater cable 141, so as to realize a heating system capable of real-time adjustment. The device can be used for heating the hydrate fluid and the stratum uninterruptedly, the heating temperature can be adjusted in real time (the adjustment range is less than or equal to 300 ℃ under normal pressure), remote control can be realized, the electromagnetic heater 14 heats the hydrate fluid and the stratum in real time, secondary generation of the hydrate is effectively prevented, power is provided through the heater cable 141, the heating temperature can be adjusted and controlled in real time in a remote mode through the ground, and the problems of generation of the secondary hydrate and crystallization blockage are effectively prevented.
In an alternative exemplary embodiment, the natural gas hydrate production apparatus 10 further comprises a temperature pressure tester 15, the temperature pressure tester 15 being connected to the tubing 11. It should be noted that the temperature and pressure tester 15 can monitor the bottom temperature and pressure in real time, so as to grasp the bottom temperature and pressure. Specifically, in this embodiment, the temperature and pressure tester 15 is connected to surface software through a monitoring optical fiber 151, so as to realize real-time monitoring of downhole temperature and pressure.
In an alternative exemplary embodiment, the natural gas hydrate production apparatus 10 further comprises an over-cable packer 16, wherein the over-cable packer 16 is sleeved outside the oil pipe 11 and is connected to the inner side wall of the casing 13 in a sealing mode. It should be noted that, in this embodiment, the cable packer 16 is set to prevent the gas hydrate from entering the upper side of the casing 13 along the annular space between the oil pipe 11 and the casing 13, and further causing an influence on the cable member, so the cable packer 16 is set to prevent the gas hydrate from causing unnecessary interference on the cable.
In an alternative exemplary embodiment, the natural gas hydrate production apparatus 10 further comprises a gas separator 17, the gas separator 17 is connected to the tubing 11, and the gas separator 17 is disposed on a side of the cable packer 16 away from the collection inlet end 131. In this embodiment, a gas separator 17 is provided, the gas separated from the gas hydrate after passing through the gas separator 17 is discharged through the annular space between the casing 13 and the oil pipe 11, and the separated liquid enters the oil pipe 11.
In an alternative exemplary embodiment, the natural gas hydrate production apparatus 10 further comprises an electrical submersible pump 18, the electrical submersible pump 18 being connected to a side of the gas separator 17 remote from the cable packer 16. In the present embodiment, the submersible pump 18 is provided to facilitate the liquid separated in the oil pipe 11 to be discharged out of the oil pipe 11 through the submersible pump 18 and to flow to the surface oil storage device. Specifically, in this embodiment, the submersible pump 18 is connected to a control device at the surface via an electric pump cable 181, so that a user can conveniently control the submersible pump 18 through the control device at the surface.
The application also provides a natural gas hydrate exploitation system, which comprises the natural gas hydrate exploitation device 10.
The gas hydrate production system provided by the present application includes the gas hydrate production apparatus 10, and therefore, the above advantageous effects are also provided.
While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.
Claims (10)
1. A gas hydrate mining apparatus, comprising:
the oil pipe is used for collecting natural gas hydrate, and the bottom of the oil pipe is provided with a sand control pipe part for the natural gas hydrate to enter; and
the sleeve is annularly arranged on the outer side of the oil pipe and is provided with a collecting inlet end corresponding to the sand prevention pipe part;
wherein, the sand control pipe portion includes first sand control pipe and the cover is located the second sand control pipe in the first sand control pipe outside.
2. A gas hydrate mining device as claimed in claim 1, wherein the first sand control pipe is a metal sand control pipe.
3. A gas hydrate mining device as claimed in claim 1, wherein the second sand control pipe is made of memory polymer, and when the oil pipe is placed at a predetermined position in the casing, the second sand control pipe is expanded to be attached to the inner side wall of the casing.
4. A gas hydrate production apparatus as claimed in any one of claims 1 to 3, wherein a plug is detachably attached to the bottom end of the tubing adjacent the sand control pipe section.
5. A natural gas hydrate production apparatus as claimed in any one of claims 1 to 3, further comprising an electromagnetic heater connected to the tubing.
6. A natural gas hydrate production apparatus according to any one of claims 1 to 3, further comprising a temperature pressure tester connected to the oil pipe.
7. A natural gas hydrate production apparatus according to any one of claims 1 to 3, further comprising a cable-passing packer which is sleeved outside the tubing and is sealingly connected to the inner side wall of the casing.
8. The gas hydrate production device of claim 7, further comprising a gas separator, wherein the gas separator is connected to the tubing, and the gas separator is arranged on one side of the cable packer away from the collection inlet end.
9. A natural gas hydrate production apparatus as claimed in claim 8, further comprising an electrical submersible pump connected to the side of the gas separator remote from the cable packer.
10. A gas hydrate production system comprising a gas hydrate production apparatus as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011049264.8A CN114427412A (en) | 2020-09-29 | 2020-09-29 | Natural gas hydrate exploitation device and exploitation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011049264.8A CN114427412A (en) | 2020-09-29 | 2020-09-29 | Natural gas hydrate exploitation device and exploitation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114427412A true CN114427412A (en) | 2022-05-03 |
Family
ID=81309339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011049264.8A Pending CN114427412A (en) | 2020-09-29 | 2020-09-29 | Natural gas hydrate exploitation device and exploitation system |
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| CN (1) | CN114427412A (en) |
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| US20080296020A1 (en) * | 2007-05-31 | 2008-12-04 | Baker Hughes Incorporated | Compositions containing shape-conforming materials and nanoparticles to enhance elastic modulus |
| CN102224321A (en) * | 2008-10-13 | 2011-10-19 | 贝克休斯公司 | Shape memory polyurethane foam for downhole sand control filtration devices |
| US20150068760A1 (en) * | 2013-09-11 | 2015-03-12 | Baker Hughes Incorporated | Multi-layered Wellbore Completion for Methane Hydrate Production |
| CN105626001A (en) * | 2016-03-04 | 2016-06-01 | 中国石油集团渤海钻探工程有限公司 | Novel self-expansion screen pipe |
| US20160160617A1 (en) * | 2014-12-04 | 2016-06-09 | Baker Hughes Incorporated | Sand control using shape memory materials |
| CN109184626A (en) * | 2018-11-05 | 2019-01-11 | 西南石油大学 | A kind of gas hydrates high efficiency recovery method |
| CN110242257A (en) * | 2019-05-31 | 2019-09-17 | 中国海洋石油集团有限公司 | A kind of gas hydrates underground pilot production process pipe string |
| CN110295868A (en) * | 2019-07-16 | 2019-10-01 | 邓福成 | Combined expanded screen casing |
-
2020
- 2020-09-29 CN CN202011049264.8A patent/CN114427412A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080296020A1 (en) * | 2007-05-31 | 2008-12-04 | Baker Hughes Incorporated | Compositions containing shape-conforming materials and nanoparticles to enhance elastic modulus |
| CN102224321A (en) * | 2008-10-13 | 2011-10-19 | 贝克休斯公司 | Shape memory polyurethane foam for downhole sand control filtration devices |
| US20150068760A1 (en) * | 2013-09-11 | 2015-03-12 | Baker Hughes Incorporated | Multi-layered Wellbore Completion for Methane Hydrate Production |
| US20160160617A1 (en) * | 2014-12-04 | 2016-06-09 | Baker Hughes Incorporated | Sand control using shape memory materials |
| CN105626001A (en) * | 2016-03-04 | 2016-06-01 | 中国石油集团渤海钻探工程有限公司 | Novel self-expansion screen pipe |
| CN109184626A (en) * | 2018-11-05 | 2019-01-11 | 西南石油大学 | A kind of gas hydrates high efficiency recovery method |
| CN110242257A (en) * | 2019-05-31 | 2019-09-17 | 中国海洋石油集团有限公司 | A kind of gas hydrates underground pilot production process pipe string |
| CN110295868A (en) * | 2019-07-16 | 2019-10-01 | 邓福成 | Combined expanded screen casing |
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